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|
%%
%% This is file `lua-typo.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% lua-typo.dtx (with options: `sty')
%%
%% IMPORTANT NOTICE:
%% For the copyright see the source file `lua-typo.dtx’.
%%
\ProvidesPackage{lua-typo}
[2021/05/13 v.0.50 Daniel Flipo]
\ifdefined\DeclareRelease
\DeclareRelease{v0.4}{2021-01-01}{lua-typo-2021-04-18.sty}
\DeclareCurrentRelease{}{2021-05-13}
\else
\PackageWarning{lua-typo}{Your LaTeX kernel is too old to provide
access\MessageBreak to former versions of the lettrine package.%
\MessageBreak Anyway, lua-typo requires a LaTeX kernel dated%
\MessageBreak 2020-01-01 or newer; reported}
\fi
\NeedsTeXFormat{LaTeX2e}[2021/06/01]
\ifdefined\directlua
\RequirePackage{luatexbase,luacode,luacolor}
\RequirePackage{kvoptions,atveryend}
\else
\PackageError{This package is meant for LuaTeX only! Aborting}
{No more information available, sorry!}
\fi
\newdimen\luatypoLLminWD
\newdimen\luatypoBackPI
\newdimen\luatypoBackFuzz
\newcount\luatypoStretchMax
\newcount\luatypoHyphMax
\newcount\luatypoPageMin
\newcount\luatypoMinFull
\newcount\luatypoMinPart
\newcount\luatypo@LANGno
\newcount\luatypo@options
\newtoks\luatypo@single
\newtoks\luatypo@double
\begin{luacode}
luatypo = { }
\end{luacode}
\SetupKeyvalOptions{
family=luatypo,
prefix=LT@,
}
\DeclareBoolOption[false]{ShowOptions}
\DeclareBoolOption[false]{None}
\DeclareBoolOption[false]{All}
\DeclareBoolOption[false]{BackParindent}
\DeclareBoolOption[false]{ShortLines}
\DeclareBoolOption[false]{ShortPages}
\DeclareBoolOption[false]{OverfullLines}
\DeclareBoolOption[false]{UnderfullLines}
\DeclareBoolOption[false]{Widows}
\DeclareBoolOption[false]{Orphans}
\DeclareBoolOption[false]{EOPHyphens}
\DeclareBoolOption[false]{RepeatedHyphens}
\DeclareBoolOption[false]{ParLastHyphen}
\DeclareBoolOption[false]{EOLShortWords}
\DeclareBoolOption[false]{FirstWordMatch}
\DeclareBoolOption[false]{LastWordMatch}
\DeclareBoolOption[false]{FootnoteSplit}
\AddToKeyvalOption{luatypo}{All}{%
\LT@ShortLinestrue \LT@ShortPagestrue
\LT@OverfullLinestrue \LT@UnderfullLinestrue
\LT@Widowstrue \LT@Orphanstrue
\LT@EOPHyphenstrue \LT@RepeatedHyphenstrue
\LT@ParLastHyphentrue \LT@EOLShortWordstrue
\LT@FirstWordMatchtrue \LT@LastWordMatchtrue
\LT@BackParindenttrue \LT@FootnoteSplittrue
}
\ProcessKeyvalOptions{luatypo}
\AtEndOfPackage{%
\ifLT@None
\directlua{ luatypo.None = true }%
\else
\directlua{ luatypo.None = false }%
\fi
\ifLT@BackParindent
\advance\luatypo@options by 1
\directlua{ luatypo.BackParindent = true }%
\else
\directlua{ luatypo.BackParindent = false }%
\fi
\ifLT@ShortLines
\advance\luatypo@options by 1
\directlua{ luatypo.ShortLines = true }%
\else
\directlua{ luatypo.ShortLines = false }%
\fi
\ifLT@ShortPages
\advance\luatypo@options by 1
\directlua{ luatypo.ShortPages = true }%
\else
\directlua{ luatypo.ShortPages = false }%
\fi
\ifLT@OverfullLines
\advance\luatypo@options by 1
\directlua{ luatypo.OverfullLines = true }%
\else
\directlua{ luatypo.OverfullLines = false }%
\fi
\ifLT@UnderfullLines
\advance\luatypo@options by 1
\directlua{ luatypo.UnderfullLines = true }%
\else
\directlua{ luatypo.UnderfullLines = false }%
\fi
\ifLT@Widows
\advance\luatypo@options by 1
\directlua{ luatypo.Widows = true }%
\else
\directlua{ luatypo.Widows = false }%
\fi
\ifLT@Orphans
\advance\luatypo@options by 1
\directlua{ luatypo.Orphans = true }%
\else
\directlua{ luatypo.Orphans = false }%
\fi
\ifLT@EOPHyphens
\advance\luatypo@options by 1
\directlua{ luatypo.EOPHyphens = true }%
\else
\directlua{ luatypo.EOPHyphens = false }%
\fi
\ifLT@RepeatedHyphens
\advance\luatypo@options by 1
\directlua{ luatypo.RepeatedHyphens = true }%
\else
\directlua{ luatypo.RepeatedHyphens = false }%
\fi
\ifLT@ParLastHyphen
\advance\luatypo@options by 1
\directlua{ luatypo.ParLastHyphen = true }%
\else
\directlua{ luatypo.ParLastHyphen = false }%
\fi
\ifLT@EOLShortWords
\advance\luatypo@options by 1
\directlua{ luatypo.EOLShortWords = true }%
\else
\directlua{ luatypo.EOLShortWords = false }%
\fi
\ifLT@FirstWordMatch
\advance\luatypo@options by 1
\directlua{ luatypo.FirstWordMatch = true }%
\else
\directlua{ luatypo.FirstWordMatch = false }%
\fi
\ifLT@LastWordMatch
\advance\luatypo@options by 1
\directlua{ luatypo.LastWordMatch = true }%
\else
\directlua{ luatypo.LastWordMatch = false }%
\fi
\ifLT@FootnoteSplit
\advance\luatypo@options by 1
\directlua{ luatypo.FootnoteSplit = true }%
\else
\directlua{ luatypo.FootnoteSplit = false }%
\fi
}
\ifLT@ShowOptions
\GenericWarning{* }{%
*** List of possible options for lua-typo ***\MessageBreak
[Default values between brackets]%
\MessageBreak
ShowOptions [false]\MessageBreak
None [false]\MessageBreak
BackParindent [false]\MessageBreak
ShortLines [false]\MessageBreak
ShortPages [false]\MessageBreak
OverfullLines [false]\MessageBreak
UnderfullLines [false]\MessageBreak
Widows [false]\MessageBreak
Orphans [false]\MessageBreak
EOPHyphens [false]\MessageBreak
RepeatedHyphens [false]\MessageBreak
ParLastHyphen [false]\MessageBreak
EOLShortWords [false]\MessageBreak
FirstWordMatch [false]\MessageBreak
LastWordMatch [false]\MessageBreak
FootnoteSplit [false]\MessageBreak
\MessageBreak
*********************************************%
\MessageBreak Lua-typo [ShowOptions]
}%
\fi
\AtBeginDocument{%
\directlua{
luatypo.HYPHmax = tex.count.luatypoHyphMax
luatypo.PAGEmin = tex.count.luatypoPageMin
luatypo.Stretch = tex.count.luatypoStretchMax
luatypo.MinFull = tex.count.luatypoMinFull
luatypo.MinPart = tex.count.luatypoMinPart
luatypo.LLminWD = tex.dimen.luatypoLLminWD
luatypo.BackPI = tex.dimen.luatypoBackPI
luatypo.BackFuzz = tex.dimen.luatypoBackFuzz
}%
}
\AtVeryEndDocument{%
\ifnum\luatypo@options = 0 \LT@Nonetrue \fi
\ifLT@None
\directlua{
texio.write_nl(' ')
texio.write_nl('***********************************')
texio.write_nl('*** lua-typo loaded with NO option:')
texio.write_nl('*** NO CHECK PERFORMED! ***')
texio.write_nl('***********************************')
texio.write_nl(' ')
}%
\else
\directlua{
texio.write_nl(' ')
texio.write_nl('*************************************')
if luatypo.pagelist == "" then
texio.write_nl('*** lua-typo: No Typo Flaws found.')
else
texio.write_nl('*** lua-typo: WARNING *************')
texio.write_nl('The following pages need attention: ')
texio.write(luatypo.pagelist)
end
texio.write_nl('***********************************')
texio.write_nl(' ')
local fileout= tex.jobname .. ".typo"
local out=io.open(fileout,"w+")
out:write(luatypo.buffer)
io.close(out)
}%
\fi}
\newcommand*{\luatypoOneChar}[2]{%
\def\luatypo@LANG{#1}\luatypo@single={#2}%
\ifcsname l@\luatypo@LANG\endcsname
\luatypo@LANGno=\the\csname l@\luatypo@LANG\endcsname \relax
\directlua{
local langno = \the\luatypo@LANGno
local string = \the\luatypo@single
luatypo.single[langno] = " "
for p, c in utf8.codes(string) do
local s = string.char(c)
luatypo.single[langno] = luatypo.single[langno] .. s
end
}%
\else
\PackageWarning{luatypo}{Unknown language "\luatypo@LANG",
\MessageBreak \protect\luatypoOneChar\space command ignored}%
\fi}
\newcommand*{\luatypoTwoChars}[2]{%
\def\luatypo@LANG{#1}\luatypo@double={#2}%
\ifcsname l@\luatypo@LANG\endcsname
\luatypo@LANGno=\the\csname l@\luatypo@LANG\endcsname \relax
\directlua{
local langno = \the\luatypo@LANGno
local string = \the\luatypo@double
luatypo.double[langno] = " "
for p, c in utf8.codes(string) do
local s = string.char(c)
luatypo.double[langno] = luatypo.double[langno] .. s
end
}%
\else
\PackageWarning{luatypo}{Unknown language "\luatypo@LANG",
\MessageBreak \protect\luatypoTwoChars\space command ignored}%
\fi}
\newcommand*{\luatypoSetColor}[2]{%
\begingroup
\color{#2}%
\directlua{luatypo.colortbl[#1]=\the\LuaCol@Attribute}%
\endgroup
}
\begin{luacode}
luatypo.single = { }
luatypo.double = { }
luatypo.colortbl = { }
luatypo.pagelist = ""
luatypo.buffer = "List of typographic flaws found for "
.. tex.jobname .. ".tex:\string\n\string\n"
local char_to_discard = { }
char_to_discard[string.byte(",")] = true
char_to_discard[string.byte(".")] = true
char_to_discard[string.byte("!")] = true
char_to_discard[string.byte("?")] = true
char_to_discard[string.byte(":")] = true
char_to_discard[string.byte(";")] = true
char_to_discard[string.byte("-")] = true
local split_lig = { }
split_lig[0xFB00] = "ff"
split_lig[0xFB01] = "fi"
split_lig[0xFB02] = "fl"
split_lig[0xFB03] = "ffi"
split_lig[0xFB04] = "ffl"
split_lig[0xFB05] = "st"
split_lig[0xFB06] = "st"
local DISC = node.id("disc")
local GLYPH = node.id("glyph")
local GLUE = node.id("glue")
local KERN = node.id("kern")
local RULE = node.id("rule")
local HLIST = node.id("hlist")
local VLIST = node.id("vlist")
local LPAR = node.id("local_par")
local MKERN = node.id("margin_kern")
local PENALTY = node.id("penalty")
local WHATSIT = node.id("whatsit")
local USRSKIP = 0
local PARSKIP = 3
local LFTSKIP = 8
local RGTSKIP = 9
local TOPSKIP = 10
local PARFILL = 15
local LINE = 1
local BOX = 2
local INDENT = 3
local ALIGN = 4
local EQN = 6
local USER = 0
local HYPH = 0x2D
local LIGA = 0x102
local parline = 0
local dimensions = node.dimensions
local rangedimensions = node.rangedimensions
local effective_glue = node.effective_glue
local set_attribute = node.set_attribute
local slide = node.slide
local traverse = node.traverse
local traverse_id = node.traverse_id
local has_field = node.has_field
local uses_font = node.uses_font
local is_glyph = node.is_glyph
local color_node = function (node, color)
local attr = oberdiek.luacolor.getattribute()
if node and node.id == DISC then
local pre = node.pre
local post = node.post
local repl = node.replace
if pre then
set_attribute(pre,attr,color)
end
if post then
set_attribute(post,attr,color)
end
if repl then
set_attribute(repl,attr,color)
end
elseif node then
set_attribute(node,attr,color)
end
end
local color_line = function (head, color)
local first = head.head
for n in traverse(first) do
if n.id == HLIST or n.id == VLIST then
local ff = n.head
for nn in traverse(ff) do
if nn.id == HLIST or nn.id == VLIST then
local f3 = nn.head
for n3 in traverse(f3) do
if n3.id == HLIST or n3.id == VLIST then
local f4 = n3.head
for n4 in traverse(f4) do
if n4.id == HLIST or n4.id == VLIST then
local f5 = n4.head
for n5 in traverse(f5) do
if n5.id == HLIST or n5.id == VLIST then
local f6 = n5.head
for n6 in traverse(f6) do
color_node(n6, color)
end
else
color_node(n5, color)
end
end
else
color_node(n4, color)
end
end
else
color_node(n3, color)
end
end
else
color_node(nn, color)
end
end
else
color_node(n, color)
end
end
end
log_flaw= function (msg, line, colno, footnote)
local pageno = tex.getcount("c@page")
local prt ="p. " .. pageno
if colno then
prt = prt .. ", col." .. colno
end
if line then
local l = string.format("%2d, ", line)
if footnote then
prt = prt .. ", (ftn.) line " .. l
else
prt = prt .. ", line " .. l
end
end
prt = prt .. msg
luatypo.buffer = luatypo.buffer .. prt .. "\string\n"
end
local signature = function (node, string, swap)
local n = node
local str = string
if n and n.id == GLYPH then
local b, id = is_glyph(n)
if b and not char_to_discard[b] then
if b == 0x2019 then b = 0x27 end
if b < 0x100 then
str = str .. string.char(b)
elseif split_lig[b] then
local c = split_lig[b]
if swap then
c = string.reverse(c)
end
str = str .. c
elseif n.subtype == LIGA and b > 0xE000 then
local c = string.sub(b,-2)
if swap then
c = string.reverse(c)
end
str = str .. c
end
end
elseif n and n.id == DISC then
local pre = n.pre
local post = n.post
local c1 = ""
local c2 = ""
if pre and pre.char and pre.char ~= HYPH and pre.char < 0x100 then
c1 = string.char(pre.char)
end
if post and post.char then
if post.char < 0x100 then
c2 = string.char(post.char)
elseif split_lig[post.char] then
c2 = split_lig[post.char]
if swap then
c2 = string.reverse(c2)
end
end
end
if swap then
str = str .. c2 .. c1
else
str = str .. c1 .. c2
end
end
local len = string.len(str)
if string.find(str, "_") then
len = len - 1
end
return len, str
end
local check_last_word = function (old, node, line, flag)
local COLOR = luatypo.colortbl[11]
local match = false
local new = ""
local maxlen = 0
if flag and node then
local swap = true
local box, go
local lastn = node
while lastn and lastn.id ~= GLYPH and lastn.id ~= DISC and
lastn.id ~= HLIST do
lastn = lastn.prev
end
local n = lastn
if n and n.id == HLIST then
box = n
prev = n.prev
lastn = slide(n.head)
n = lastn
end
while n and n.id ~= GLUE do
maxlen, new = signature (n, new, swap)
n = n.prev
end
if n and n.id == GLUE then
new = new .. "_"
go = true
elseif box and not n then
local p = box.prev
if p.id == GLUE then
new = new .. "_"
n = p
else
n = box
end
go = true
end
if go then
repeat
n = n.prev
maxlen, new = signature (n, new, swap)
until not n or n.id == GLUE
end
new = string.reverse(new)
local MinFull = luatypo.MinFull
local MinPart = luatypo.MinPart
MinFull = math.min(MinPart,MinFull)
local k = MinPart
local oldlast = string.gsub (old, '.*_', '')
local newlast = string.gsub (new, '.*_', '')
local i = string.find(new, "_")
if i and i > maxlen - MinPart + 1 then
k = MinPart + 1
end
local oldsub = string.sub(old,-k)
local newsub = string.sub(new,-k)
local l = string.len(new)
if oldsub == newsub and l >= k then
match = true
elseif oldlast == newlast and string.len(newlast) >= MinFull then
match = true
oldsub = oldlast
newsub = newlast
k = string.len(newlast)
end
if match then
local osub = oldsub
local nsub = newsub
while osub == nsub and k <= maxlen do
k = k +1
osub = string.sub(old,-k)
nsub = string.sub(new,-k)
if osub == nsub then
newsub = nsub
end
end
pageflag = true
newsub = string.gsub(newsub, '^_', '')
local msg = "E.O.L. MATCH=" .. newsub
log_flaw(msg, line, colno, footnote)
oldsub = string.reverse(newsub)
local newsub = ""
local n = lastn
repeat
if n and n.id ~= GLUE then
color_node(n, COLOR)
l, newsub = signature(n, newsub, swap)
elseif n and n.id == GLUE then
newsub = newsub .. "_"
elseif not n and box then
n = box
else
break
end
n = n.prev
until newsub == oldsub or l >= k
end
end
return new
end
local check_first_word = function (old, node, line, flag)
local COLOR = luatypo.colortbl[10]
local match = false
local swap = false
local new = ""
local maxlen = 0
local n = node
local box, go
while n and n.id ~= GLYPH and n.id ~= DISC and
(n.id ~= HLIST or n.subtype == INDENT) do
n = n.next
end
local start = n
if n and n.id == HLIST then
box = n
start = n.head
n = n.head
end
while n and n.id ~= GLUE do
maxlen, new = signature (n, new, swap)
n = n.next
end
if n and n.id == GLUE then
new = new .. "_"
go = true
elseif box and not n then
local bn = box.next
if bn.id == GLUE then
new = new .. "_"
n = bn
else
n = box
end
go = true
end
if go then
repeat
n = n.next
maxlen, new = signature (n, new, swap)
until not n or n.id == GLUE
end
if flag then
local MinFull = luatypo.MinFull
local MinPart = luatypo.MinPart
MinFull = math.min(MinPart,MinFull)
local k = MinPart
local oldsub = ""
local newsub = ""
local oldfirst = string.gsub (old, '_.*', '')
local newfirst = string.gsub (new, '_.*', '')
local i = string.find(new, "_")
if i and i <= MinPart then
k = MinPart + 1
end
local oldsub = string.sub(old,1,k)
local newsub = string.sub(new,1,k)
local l = string.len(newsub)
if oldsub == newsub and l >= k then
match = true
elseif oldfirst == newfirst and string.len(newfirst) >= MinFull then
match = true
oldsub = oldfirst
newsub = newfirst
k = string.len(newfirst)
end
if match then
local osub = oldsub
local nsub = newsub
while osub == nsub and k <= maxlen do
k = k + 1
osub = string.sub(old,1,k)
nsub = string.sub(new,1,k)
if osub == nsub then
newsub = nsub
end
end
pageflag = true
newsub = string.gsub(newsub, '_$', '') --$
local msg = "B.O.L. MATCH=" .. newsub
log_flaw(msg, line, colno, footnote)
oldsub = newsub
local newsub = ""
local k = string.len(oldsub)
local n = start
repeat
if n and n.id ~= GLUE then
color_node(n, COLOR)
l, newsub = signature(n, newsub, swap)
elseif n and n.id == GLUE then
newsub = newsub .. "_"
elseif not n and box then
n = box
else
break
end
n = n.next
until newsub == oldsub or l >= k
end
end
return new
end
local check_regexpr = function (glyph, line)
local pageno = tex.getcount("c@page")
local COLOR = luatypo.colortbl[3]
local lang = glyph.lang
local match = false
local lchar, id = is_glyph(glyph)
local previous = glyph.prev
if lang and luatypo.single[lang] then
if lchar and lchar < 0x100 and previous and previous.id == GLUE then
match = string.find(luatypo.single[lang], string.char(lchar))
if match then
pageflag = true
local msg = "RGX MATCH=" .. string.char(lchar)
log_flaw(msg, line, colno, footnote)
color_node(glyph,COLOR)
end
end
end
if lang and luatypo.double[lang] then
if lchar and previous and previous.id == GLYPH then
local pchar, id = is_glyph(previous)
local pprev = previous.prev
if pchar and pchar < 0x100 and pprev and pprev.id == GLUE then
local pattern = string.char(pchar) .. string.char(lchar)
match = string.find(luatypo.double[lang], pattern)
if match then
pageflag = true
local msg = "RGX MATCH=" .. pattern
log_flaw(msg, line, colno, footnote)
color_node(previous,COLOR)
color_node(glyph,COLOR)
end
end
elseif lchar and previous and previous.id == KERN then
local pprev = previous.prev
if pprev and pprev.id == GLYPH then
local pchar, id = is_glyph(pprev)
local ppprev = pprev.prev
if pchar and pchar < 0x100 and
ppprev and ppprev.id == GLUE then
local pattern = string.char(pchar) .. string.char(lchar)
match = string.find(luatypo.double[lang], pattern)
if match then
pageflag = true
local msg = "RGX MATCH=" .. pattern
log_flaw(msg, line, colno, footnote)
color_node(pprev,COLOR)
color_node(glyph,COLOR)
end
end
end
end
end
end
local show_pre_disc = function (disc, color)
local n = disc
while n and n.id ~= GLUE do
color_node(n, color)
n = n.prev
end
return n
end
local get_pagebody = function (head)
local textht = tex.getdimen("textheight")
local fn = head.list
local body = nil
repeat
fn = fn.next
until fn.id == VLIST and fn.height > 0
first = fn.list
for n in traverse_id(VLIST,first) do
if n.subtype == 0 and n.height == textht then
body = n
break
else
first = n.list
for n in traverse_id(VLIST,first) do
if n.subtype == 0 and n.height == textht then
body = n
break
end
end
end
end
if not body then
texio.write_nl('***lua-typo ERROR: PAGE BODY *NOT* FOUND!***')
end
return body
end
local footnoterule_ahead = function (head, debug)
local n = head
local flag = false
if n and n.id == KERN and n.subtype == 1 then
local htr = n.kern
local ht1, ht2, ht3
n = n.next
if n and n.id == RULE and n.subtype == 0 then
htr = htr + n.height
n = n.next
if n and n.id == KERN and n.subtype == 1 then
htr = htr + n.kern
if htr == 0 then
flag = true
end
end
end
end
return flag
end
check_vtop = function (head, colno)
local PAGEmin = luatypo.PAGEmin
local HYPHmax = luatypo.HYPHmax
local LLminWD = luatypo.LLminWD
local BackPI = luatypo.BackPI
local BackFuzz = luatypo.BackFuzz
local BackParindent = luatypo.BackParindent
local ShortLines = luatypo.ShortLines
local ShortPages = luatypo.ShortPages
local OverfullLines = luatypo.OverfullLines
local UnderfullLines = luatypo.UnderfullLines
local Widows = luatypo.Widows
local Orphans = luatypo.Orphans
local EOPHyphens = luatypo.EOPHyphens
local RepeatedHyphens = luatypo.RepeatedHyphens
local FirstWordMatch = luatypo.FirstWordMatch
local ParLastHyphen = luatypo.ParLastHyphen
local EOLShortWords = luatypo.EOLShortWords
local LastWordMatch = luatypo.LastWordMatch
local FootnoteSplit = luatypo.FootnoteSplit
local Stretch = math.max(luatypo.Stretch/100,1)
local blskip = tex.getglue("baselineskip")
local pageno = tex.getcount("c@page")
local vpos_min = PAGEmin * blskip
vpos_min = vpos_min * 1.5
local vpos = 0
local pageflag = false
local body_bottom = false
local page_bottom = false
local first_bot = true
local footnote = false
local ftnsplit = false
local orphanflag = false
local widowflag = false
local lwhyphflag = false
local pageshort = false
local firstwd = ""
local lastwd = ""
local hyphcount = 0
local pageline = 0
local ftnline = 0
local line = 0
while head do
local nextnode = head.next
if not footnote and head.id == KERN and head.subtype == 1 then
if footnoterule_ahead(head, true) then
footnote = true
ftnline = 0
body_bottom = false
orphanflag = false
lwhyphflag = false
hyphcount = 0
firstwd = ""
lastwd = ""
else
vpos = vpos + head.kern
end
elseif head.id == HLIST and head.subtype == LINE and
(head.height > 0 or head.depth > 0) then
if footnote then
ftnline = ftnline + 1
line = ftnline
else
pageline = pageline + 1
line = pageline
end
local first = head.head
local hmax = head.width + tex.hfuzz
local w,h,d = dimensions(1,2,0, first)
if w > hmax and OverfullLines then
pageflag = true
local wpt = string.format("%.2fpt", (w-head.width)/65536)
local msg = "OVERFULL line " .. wpt
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[7]
color_line (head, COLOR)
elseif head.glue_set > Stretch and head.glue_sign == 1 and
head.glue_order == 0 and UnderfullLines then
pageflag = true
local s = string.format("%.0f%s", 100*head.glue_set, "%")
local msg = "UNDERFULL line stretch=" .. s
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[8]
color_line (head, COLOR)
end
vpos = vpos + head.height + head.depth
local n = head.next
while n and
(n.id == GLUE or n.id == PENALTY or n.id == WHATSIT) do
n = n.next
end
if not n then
if footnote then
page_bottom = true
else
page_bottom = true
body_bottom = true
end
elseif footnoterule_ahead(n, false) then
body_bottom = true
end
if footnote and page_bottom then
ftnsplit = true
end
while first.id == MKERN or
(first.id == GLUE and first.subtype == LFTSKIP) do
first = first.next
end
local ListItem = false
if first.id == LPAR then
hyphcount = 0
if not footnote then
parline = 1
end
if body_bottom then
orphanflag = true
end
local nn = first.next
if nn and nn.id == HLIST and nn.subtype == BOX then
ListItem = true
end
elseif not footnote then
parline = parline + 1
end
if FirstWordMatch then
local flag = not ListItem
firstwd = check_first_word(firstwd, first, line, flag)
end
local ln = slide(first)
local pn = ln.prev
if pn and pn.id == GLUE and pn.subtype == PARFILL then
hyphcount = 0
ftnsplit = false
orphanflag = false
if pageline == 1 and parline > 1 then
widowflag = true
end
local PFskip = effective_glue(pn,head)
if ShortLines then
local llwd = tex.hsize - PFskip
if llwd < LLminWD then
pageflag = true
local msg = "SHORT LINE: " ..
string.format("%.0fpt", llwd/65536)
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[6]
local attr = oberdiek.luacolor.getattribute()
color_line (head, COLOR)
end
end
if BackParindent and PFskip < BackPI and PFskip > BackFuzz then
pageflag = true
local msg = "LINE NEARLY FULL: missing " ..
string.format("%.1fpt", PFskip/65536)
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[12]
local attr = oberdiek.luacolor.getattribute()
color_line (head, COLOR)
end
if LastWordMatch then
local flag = textline
if PFskip > BackPI then
flag = false
end
lastwd = check_last_word(lastwd, pn, line, flag)
end
elseif pn and pn.id == DISC then
hyphcount = hyphcount + 1
if LastWordMatch then
lastwd = check_last_word(lastwd, ln, line, true)
end
if hyphcount > HYPHmax and RepeatedHyphens then
local COLOR = luatypo.colortbl[2]
local pg = show_pre_disc (pn,COLOR)
pageflag = true
local msg = "REPEATED HYPHENS: more than " .. HYPHmax
log_flaw(msg, line, colno, footnote)
end
if (page_bottom or body_bottom) and EOPHyphens then
lwhyphflag = true
end
if nextnode and ParLastHyphen then
local nn = nextnode.next
local nnn = nil
if nn and nn.next then
nnn = nn.next
if nnn.id == HLIST and nnn.subtype == LINE and
nnn.glue_order == 2 then
pageflag = true
local msg = "HYPHEN on next to last line"
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[0]
local pg = show_pre_disc (pn,COLOR)
end
end
end
else
hyphcount = 0
if LastWordMatch and pn then
lastwd = check_last_word(lastwd, pn, line, true)
end
if EOLShortWords then
while pn and pn.id ~= GLYPH and pn.id ~= HLIST do
pn = pn.prev
end
if pn and pn.id == GLYPH then
check_regexpr(pn,line)
end
end
end
if widowflag and Widows then
pageflag = true
widowflag = false
local msg = "WIDOW"
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[4]
color_line (head, COLOR)
end
if orphanflag and Orphans then
pageflag = true
local msg = "ORPHAN"
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[5]
color_line (head, COLOR)
end
if ftnsplit and FootnoteSplit then
pageflag = true
local msg = "FOOTNOTE SPLIT"
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[13]
color_line (head, COLOR)
end
if lwhyphflag and EOPHyphens then
pageflag = true
local msg = "LAST WORD SPLIT"
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[1]
local pg = show_pre_disc (pn,COLOR)
end
elseif head.id == HLIST and
(head.subtype == EQN or head.subtype == ALIGN) and
(head.height > 0 or head.depth > 0) then
vpos = vpos + head.height + head.depth
if footnote then
ftnline = ftnline + 1
line = ftnline
else
pageline = pageline + 1
line = pageline
end
local fl = true
local wd = 0
local hmax = 0
if head.subtype == EQN then
local f = head.list
wd = rangedimensions(head,f)
hmax = head.width + tex.hfuzz
else
wd = head.width
hmax = tex.getdimen("linewidth") + tex.hfuzz
end
if wd > hmax and OverfullLines then
if head.subtype == ALIGN then
local first = head.list
for n in traverse_id(HLIST, first) do
local last = slide(n.list)
if last.id == GLUE and last.subtype == USER then
wd = wd - effective_glue(last,n)
if wd <= hmax then fl = false end
end
end
end
if fl then
pageflag = true
local w = wd - hmax + tex.hfuzz
local wpt = string.format("%.2fpt", w/65536)
local msg = "OVERFULL equation " .. wpt
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[7]
color_line (head, COLOR)
end
end
local n = head.next
while n and (n.id == GLUE or n.id == PENALTY or
n.id == WHATSIT or n.id == VLIST) do
n = n.next
end
if not n then
page_bottom = true
body_bottom = true
elseif footnoterule_ahead(n, false) then
body_bottom = true
end
elseif head.id == VLIST then
vpos = vpos + head.height + head.depth
elseif body_bottom and head.id == GLUE and head.subtype == 0 then
if first_bot then
if pageline > 1 and pageline < PAGEmin and ShortPages then
pageshort = true
end
if pageshort and vpos < vpos_min then
pageflag = true
local msg = "SHORT PAGE: only " .. pageline .. " lines"
log_flaw(msg, line, colno, footnote)
local COLOR = luatypo.colortbl[9]
local n = head
repeat
n = n.prev
until n.id == HLIST
color_line (n, COLOR)
end
first_bot = false
end
elseif head.id == GLUE then
vpos = vpos + effective_glue(head,body)
end
head = nextnode
end
return pageflag
end
luatypo.check_page = function (head)
local pageno = tex.getcount("c@page")
local pageflag = false
local n2, n3, col, colno
local body = get_pagebody(head)
local first = body.list
if first.id == HLIST and first.subtype == 2 then
n2 = first.list
colno = 0
for n in traverse_id(HLIST, n2) do
if n.id == HLIST and n.subtype == 2 then
n3 = n.list
col = n3.list
colno = colno + 1
pageflag = check_vtop(col,colno)
end
end
elseif body.id == VLIST and body.subtype == 0 then
col = body.list
pageflag = check_vtop(col,colno)
end
if pageflag then
local pl = luatypo.pagelist
local p = tonumber(string.match(pl, "%s(%d+),%s$"))
if not p or pageno > p then
luatypo.pagelist = luatypo.pagelist .. tostring(pageno) .. ", "
end
end
return true
end
return luatypo.check_page
\end{luacode}
\AtEndOfPackage{%
\directlua{
if not luatypo.None then
luatexbase.add_to_callback
("pre_shipout_filter",luatypo.check_page,"check_page",1)
end
}
}
\InputIfFileExists{lua-typo.cfg}%
{\PackageInfo{lua-typo.sty}{'lua-typo.cfg' file loaded}}%
{\PackageInfo{lua-typo.sty}{'lua-typo.cfg' file not found.
\MessageBreak Providing default values.}%
\definecolor{mygrey}{gray}{0.6}%
\definecolor{myred}{rgb}{1,0.55,0}
\luatypoSetColor0{red}% Paragraph last full line hyphenated
\luatypoSetColor1{red}% Page last word hyphenated
\luatypoSetColor2{red}% Hyphens on to many consecutive lines
\luatypoSetColor3{red}% Short word at end of line
\luatypoSetColor4{cyan}% Widow
\luatypoSetColor5{cyan}% Orphan
\luatypoSetColor6{cyan}% Paragraph ending on a short line
\luatypoSetColor7{blue}% Overfull lines
\luatypoSetColor8{blue}% Underfull lines
\luatypoSetColor9{red}% Nearly empty page
\luatypoSetColor{10}{myred}% First word matches
\luatypoSetColor{11}{myred}% Last word matches
\luatypoSetColor{12}{mygrey}% Paragraph ending on a nearly full line
\luatypoSetColor{13}{cyan}% Footnote split
\luatypoBackPI=1em\relax
\luatypoBackFuzz=2pt\relax
\ifdim\parindent=0pt \luatypoLLminWD=20pt\relax
\else\luatypoLLminWD=2\parindent\relax\fi
\luatypoStretchMax=200\relax
\luatypoHyphMax=2\relax
\luatypoPageMin=5\relax
\luatypoMinFull=4\relax
\luatypoMinPART=4\relax
}%
%%
%%
%% End of file `lua-typo.sty'.
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